New way: Buy a good pair of shoes and use them only for running, walking or your at home cardio workouts.

新方法：买一双新的好鞋子，并只用他们来跑步、走路或在家做有氧锻炼。

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Recumbent bikes also offer one of the few cardio workouts that put no pressure on your knees and other joints.

横卧自行车还提供了一个锻炼的少数心没有压力放在您的膝盖和其他关节。

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Research shows doing interval training workouts as short as seven minutes can have more benefit than doing long, steady-state cardio workouts.

研究表明做那种差不多7分钟的间断性练习比做长时间的，定期的有氧锻炼更有效。

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It has 30-45 minute timed workouts for cardio, toning and strength, videos for each move and a voiceover talking you though the workout, AND it pulls music from your own playlists to keep you motivated.

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Downloaded to your iPod, these audio sessions guide you through a variety of cardio and weight-training workouts.

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Heading to your office gym or fitness club to do at least 20 minutes of cardio a few days a week: the elliptical, treadmill, rowing machine, stair master, pool, power plate, or any other form of cardio are all excellent options for getting your workouts done (what you choose to do should depend on your individual condition, body type, and goals).

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